The following is an example of the syscallbyproc.d script, # syscallbyproc.d dtrace: description 'syscall:::entry ' matched 228 probes ^C snmpd 1 utmpd 2 inetd 2 nscd 7 svc.startd 11 sendmail 31 poold 133 dtrace 1720 The above output shows that dtrace made the most system calls in this sample, 1720 syscalls.